15938520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 54613440

約数和(自身を除く): 38674920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 601, 663, 680, 780, 884, 1020, 1105, 1202, 1326, 1560, 1768, 1803, 2040, 2210, 2404, 2652, 3005, 3315, 3606, 4420, 4808, 5304, 6010, 6630, 7212, 7813, 8840, 9015, 10217, 12020, 13260, 14424, 15626, 18030, 20434, 23439, 24040, 26520, 30651, 31252, 36060, 39065, 40868, 46878, 51085, 61302, 62504, 72120, 78130, 81736, 93756, 102170, 117195, 122604, 132821, 153255, 156260, 187512, 204340, 234390, 245208, 265642, 306510, 312520, 398463, 408680, 468780, 531284, 613020, 664105, 796926, 937560, 1062568, 1226040, 1328210, 1593852, 1992315, 2656420, 3187704, 3984630, 5312840, 7969260, 15938520]

約数ペア:

[(1, 15938520), (2, 7969260), (3, 5312840), (4, 3984630), (5, 3187704), (6, 2656420), (8, 1992315), (10, 1593852), (12, 1328210), (13, 1226040), (15, 1062568), (17, 937560), (20, 796926), (24, 664105), (26, 613020), (30, 531284), (34, 468780), (39, 408680), (40, 398463), (51, 312520), (52, 306510), (60, 265642), (65, 245208), (68, 234390), (78, 204340), (85, 187512), (102, 156260), (104, 153255), (120, 132821), (130, 122604), (136, 117195), (156, 102170), (170, 93756), (195, 81736), (204, 78130), (221, 72120), (255, 62504), (260, 61302), (312, 51085), (340, 46878), (390, 40868), (408, 39065), (442, 36060), (510, 31252), (520, 30651), (601, 26520), (663, 24040), (680, 23439), (780, 20434), (884, 18030), (1020, 15626), (1105, 14424), (1202, 13260), (1326, 12020), (1560, 10217), (1768, 9015), (1803, 8840), (2040, 7813), (2210, 7212), (2404, 6630), (2652, 6010), (3005, 5304), (3315, 4808), (3606, 4420)]